Table 2: Partial correlations between nuclear volumes and components of the behavioral scores.

Nucleus accumbensCaudate nucleusPutamenPallidum

Flanker
 Con RT−.114−.015−.054.013
 Inc RT−.096−.037−.127−.035
 Cost (RT).031.062.131.087
 Con Acc.132.122.045−.034
 Inc Acc.176.013.069−.012
 Cost (Acc).078−.074.028.054
Task-switch
 Repeat RT.010−.238**−.018.089
 Switch RT.079−.103.081.016
 Cost (RT).107−.069.058−.003
 Repeat Acc.120.286**.115.176*
 Switch Acc.133.274**.153.217**
 Cost (Acc).089.247**.164*.218**